Retro-Reflective Type 25Kv Caution Board Size:- 300Mmx225Mmx2Mm. As Per Rdso Specification No. Eti/Ohe/33A (12/97) Rev-8 Or Latest. & Similar To Rdso Drg No Eti/C/0069. The M Aterial For Base Plate Should Be Aluminum Alloy Sheet (Is 737-1986) And Material For Numerals/Symbols/Lett Er Should Be Made Of Retro-Reflective High Intensity Micro Prismatic Sheeting (Type-Iv). [ Warranty Period 30 Months After The Date Of Delivery ] ]